hakimel/reveal.js — pull request #775 by karimsa (2014-01-10 00:35:42+00:00)
Title: added reverse fragments (exits)

I added a `.reverse` class for `.fragment` elements which need to only go in reverse (a fragment which only exits). I came across this need while making a presentation.

Works like this:

```html

I am a fragment

I am a fragment

```